{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "We believe that the conduction electrons of the NPs gain the light absorbed energy producing energetic electrons at the surface Pd sites , which enhances the sites ' intrinsic catalytic ability ."}
{"Chemical": ["Pd"]}